This is the new Meike 3.5mm f/2.8 MFT circular fisheye lens - 43addict
iZugar MKX22 - First 220 Super Fisheye Lens - VR - 3D360 - MFT Camera
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Amazon.com : Rokinon FE75MFT-B 7.5mm F3.5 UMC Fisheye Lens for Micro Four Thirds (Olympus PEN and Panasonic), Black : Compact System Camera Lenses : Electronics
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iZugar launches 220-degree super fisheye lens for Micro Four Thirds: Digital Photography Review
Bower 7.5mm F/3.5 Fisheye UMC Autofocus Lens For Micro Four Thirds System - Used Mirrorless Camera Lenses - Used Camera Lenses at KEH Camera at KEH Camera